CN213174217U - Precast concrete frame and steel shotcrete assembly connection structure - Google Patents
Precast concrete frame and steel shotcrete assembly connection structure Download PDFInfo
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- CN213174217U CN213174217U CN202021907205.5U CN202021907205U CN213174217U CN 213174217 U CN213174217 U CN 213174217U CN 202021907205 U CN202021907205 U CN 202021907205U CN 213174217 U CN213174217 U CN 213174217U
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Abstract
The utility model discloses a precast concrete frame and steel support assembly connection structure, which comprises a precast beam and a precast column, wherein the precast beam and the precast column form an assembled concrete frame and also comprise an L-shaped connecting piece and a steel support; the L-shaped connecting piece is arranged at the diagonal node of the assembled concrete frame, one end plate of the L-shaped connecting piece is fixedly connected with the precast beam, and the other end plate of the L-shaped connecting piece is fixedly connected with the precast column; the shaped steel supports and forms a connecting structure with the prefabricated beam column through the L-shaped connecting piece. Use assembled concrete frame structure as the main part in this scheme, set up steel shotcrete or power consumption component rationally between the frame in order to replace the shear force wall, wherein, concrete frame structure is as main vertical atress component, and the steel shotcrete is as main anti lateral force component. The utility model discloses than assembled frame construction, increased its anti lateral stiffness, more assembled shear force wall, reduced the connection degree of difficulty, can regard as the replacement setting of conventional shear force wall.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a precast concrete frame and steel shotcrete assembly connection structure.
Background
At present, the prefabricated building concrete structure system in China mainly comprises a prefabricated frame structure system and a prefabricated shear wall structure system. The frame structure system is relatively simple in structure, easy in node connection treatment, high in prefabrication rate, weak in lateral stiffness and only suitable for middle-low-rise buildings. The shear wall structure system has higher lateral stiffness and good seismic performance, and is a common structure system of the assembled high-rise residential buildings in China. However, the assembly type shear wall component has the characteristics of large self weight, four sides of the component need to be assembled and connected with adjacent components, a plurality of connecting steel bars and the like; therefore, the defects of difficult splitting of wall design, complex production-transportation-construction, difficult guarantee of structure quality, high cost and the like are caused. In addition, due to the requirement of high-rise building earthquake resistance, the arrangement of excessive shear walls inevitably leads to the serious division of indoor space by structural members, the flexibility and usability of the space in the building are poor, the requirement of personalized living space cannot be met, and the later-stage transformation and maintenance are not facilitated so as to meet the requirement of family growth.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a precast concrete frame and steel shotcrete assembly connection structure, the combination of rational utilization concrete frame and steel shotcrete replaces conventional shear force wall setting, can simplify structural component, alleviate the structure dead weight, improve indoor space utilization.
The utility model discloses a following technical scheme realizes:
a prefabricated concrete frame and steel support assembly connecting structure comprises a prefabricated beam and a prefabricated column, wherein the prefabricated beam and the prefabricated column form an assembled concrete frame, an L-shaped connecting piece and a steel support; the L-shaped connecting piece is arranged at the diagonal node of the assembled concrete frame, one end plate of the L-shaped connecting piece is fixedly connected with the precast beam, and the other end plate of the L-shaped connecting piece is fixedly connected with the precast column;
the shaped steel supports and forms a connecting structure with the prefabricated beam column through the L-shaped connecting piece.
The utility model discloses in use assembled concrete frame structure as the main part, set up steel shotcrete or power consumption component rationally between the frame in order to replace the shear force wall, wherein, concrete frame structure is as main vertical atress component, and the steel shotcrete is as main anti lateral force component. The utility model discloses than assembled frame construction, increased its anti lateral stiffness, more assembled shear force wall, reduced the connection degree of difficulty, can regard as the replacement setting of conventional shear force wall.
The further technical scheme is as follows:
the section steel support can be a one-way inclined support or a two-way inclined support, and two ends of the section steel support respectively form a connecting structure with the prefabricated beam column through L-shaped connecting pieces.
Set up buried bolt in the prefabricated post, set up corresponding bolt hole on the end plate that L type connecting piece and prefabricated columnar connection, be connected through this buried bolt in advance between L type connecting piece and the prefabricated post. And the bolt is used for connection, so that the stability of the connection structure is ensured while the connection process is simple.
The precast beam is a superposed beam, and the end part of the superposed beam is a concrete cast-in-place section within the range of 500 mm; and anchor bars are arranged on the end plates connected with the L-shaped connecting pieces and the precast beams and embedded in the concrete cast-in-place sections of the precast beams. Set up like this, L type connecting piece only need with the pre-buried bolted connection in the prefabricated post, can realize being connected of L type connecting piece and roof beam through anchor bar and cast in situ concrete.
The connecting surface is arranged between the two end plates of the L-shaped connecting piece, and the end part of the section steel support is fixedly connected on the L-shaped connecting piece through the connecting surface.
The side surface of the end part of the section steel support is fixedly connected with the connecting surface; set up the stiffening rib on connecting the face, shaped steel supports the tip and sets up two splint outstanding for the tip, and two splint cooperation centre gripping stiffening rib, rigid coupling between splint and the stiffening rib. The arrangement of the stiffening ribs can improve the stability of the connecting structure and the torsion resistance of the L-shaped connecting piece.
Preferably, the end part of the section steel support and the connecting surface are welded; the end parts of the section steel supports are connected with the stiffening ribs through welding or bolts.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. compared with an assembled frame structure, the lateral stiffness of the assembled frame structure is increased; compared with an assembly type shear wall, the connection difficulty is reduced;
2. the connection is convenient, the structural members are simplified, and the self weight of the structure is reduced;
drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the precast concrete frame and steel support assembly connection structure;
FIG. 2 is a schematic view of a connection structure of an L-shaped connecting piece and a precast beam column;
FIG. 3 is a schematic view of a connection structure of a section steel support and an L-shaped connecting piece;
the labels in the figure are respectively: 1. the concrete beam comprises a prefabricated beam, 2 prefabricated columns, 3. L-shaped connecting pieces, 31 connecting faces, 4. section steel supports, 5. embedded bolts, 6. concrete cast-in-place sections, 7. anchor bars and 8. stiffening ribs.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples:
example 1:
as shown in fig. 1, the prefabricated concrete frame and steel support assembly connection structure comprises a prefabricated beam 1 and a prefabricated column 2, wherein the prefabricated beam 1 and the prefabricated column 2 form an assembly type concrete frame, the prefabricated concrete frame further comprises an L-shaped connecting piece 3 and a steel support 4, the L-shaped connecting piece 3 is arranged at a diagonal node of the assembly type concrete frame, one end plate of the L-shaped connecting piece 3 is fixedly connected with the prefabricated beam 1, and the other end plate is fixedly connected with the prefabricated column 2;
the section steel support 4 forms a connecting structure with the prefabricated beam column through the L-shaped connecting piece 3.
The utility model discloses well assembled concrete frame structure is as main vertical atress component, and the steel shotcrete can regard as the replacement setting of conventional shear force wall as main anti lateral force component.
Example 2:
the present embodiment is further limited based on embodiment 1, and as shown in fig. 1 to 3, the steel section support 4 is a one-way diagonal support. Set up buried bolt 5 in the prefabricated post 2, set up corresponding bolt hole on the end plate that L type connecting piece 3 and prefabricated post 2 are connected, be connected through this buried bolt 5 between L type connecting piece 3 and the prefabricated post 2.
The precast beam 1 is a superposed beam, and the end part of the superposed beam is a concrete cast-in-place section 6 within the range of 500 mm; and an anchor bar 7 is arranged on an end plate connected with the L-shaped connecting piece 3 and the precast beam 1, and the anchor bar 7 is embedded in the concrete cast-in-place section 6 of the precast beam 1. The L-shaped connecting piece is fixedly connected with the precast beam 1 through the anchor bars 7 and the cast-in-place concrete.
The connecting surface 31 is arranged between the two end plates of the L-shaped connecting piece 3, and the end part of the section steel support 4 is fixedly connected on the L-shaped connecting piece 3 through the connecting surface 31.
The side surface of the end part of the section steel support 4 is fixedly connected with the connecting surface 31; the connecting surface 31 is provided with a stiffening rib 8, the end part of the section steel support 4 is provided with two clamping plates which are protruded relative to the end part, the two clamping plates are matched with the stiffening rib 8 to clamp the stiffening rib 8, and the clamping plates are fixedly connected with the stiffening rib 8. The stiffening ribs have the function of enabling the connection between the section steel support 4 and the L-shaped connecting piece 3 to be more stable, and meanwhile, the torsion resistance of the L-shaped connecting piece 3 can be enhanced.
The end part of the section steel support 4 and the connecting surface 31 are welded.
The end part of the section steel support 4 is connected with the stiffening rib 8 through a bolt.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.
Claims (8)
1. A precast concrete frame and steel support assembly connection structure comprises a precast beam (1) and a precast column (2), wherein the precast beam (1) and the precast column (2) form an assembled concrete frame, and the precast concrete frame further comprises an L-shaped connecting piece (3) and a section steel support (4), and is characterized in that the L-shaped connecting piece (3) is arranged at a diagonal node of the assembled concrete frame, one end plate of the L-shaped connecting piece (3) is fixedly connected with the precast beam (1), and the other end plate is fixedly connected with the precast column (2);
the section steel support (4) and the prefabricated beam column form a connecting structure through the L-shaped connecting piece (3).
2. The precast concrete frame and steel support assembly connection structure of claim 1, wherein the steel supports (4) are one-way sprags or two-way sprags, and both ends of the steel supports (4) respectively form a connection structure with precast beam columns through L-shaped connecting members (3).
3. The precast concrete frame and steel support assembly connection structure of claim 1, wherein the precast column (2) is internally provided with embedded bolts (5), the end plate of the L-shaped connecting member (3) connected with the precast column (2) is provided with corresponding bolt holes, and the L-shaped connecting member (3) is connected with the precast column (2) through the embedded bolts (5).
4. The precast concrete frame and steel support assembly connection structure according to claim 1, wherein the precast beam (1) is a laminated beam, and the end portion thereof is a concrete cast-in-place section (6) within a range of 500 mm;
the end plate that L type connecting piece (3) and precast beam (1) are connected sets up anchor rod (7), anchor rod (7) inlay in the cast-in-place section of concrete (6) of precast beam (1).
5. The precast concrete frame and steel shotcrete assembly connection structure of claim 2, wherein a connection surface (31) is formed between the end plates of the L-shaped connection member (3), and the end of the steel shotcrete (4) is fixedly connected to the L-shaped connection member (3) through the connection surface (31).
6. The precast concrete frame and steel support assembly connection structure according to claim 5, wherein the side surface of the end of the steel support (4) is fixedly connected with the connection surface (31); set up stiffening rib (8) on connecting face (31), shaped steel supports (4) tip and sets up two splint outstanding for the tip, and two splint cooperation centre gripping stiffening rib (8), rigid coupling between splint and stiffening rib (8).
7. Precast concrete frame and steel support assembly connection structure according to claim 6, wherein the end of the steel support (4) and the connection surface (31) are welded.
8. The precast concrete frame and steel support assembly connection structure according to claim 6, wherein the ends of the steel supports (4) are welded or bolted to the reinforcing ribs (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021907205.5U CN213174217U (en) | 2020-09-03 | 2020-09-03 | Precast concrete frame and steel shotcrete assembly connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021907205.5U CN213174217U (en) | 2020-09-03 | 2020-09-03 | Precast concrete frame and steel shotcrete assembly connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213174217U true CN213174217U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021907205.5U Active CN213174217U (en) | 2020-09-03 | 2020-09-03 | Precast concrete frame and steel shotcrete assembly connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213174217U (en) |
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- 2020-09-03 CN CN202021907205.5U patent/CN213174217U/en active Active
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